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S12700 V200R011C10 Configuration Guide - User Access and Authentication

This document describes the working mechanisms, configuration procedures, and configuration examples of User Access and Authentication features, such as AAA, DAA, NAC, PPPoE, Policy Association, and IP session.
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Configuring the NAC Common Mode

Configuring the NAC Common Mode


NAC supports the common configuration mode and unified configuration mode. Before configuring NAC functions in the common mode, you must switch the NAC configuration mode to common mode.

  • After the common mode and unified mode are switched, you must restart the device to make each function in the new configuration mode take effect.
  • In the unified mode, only the commands of the common mode are unavailable; in the common mode, only the commands of the unified mode are unavailable. In addition, after the configuration mode is switched, the commands supported by both the common mode and unified mode still take effect.


  1. Run system-view

    The system view is displayed.

  2. Run undo authentication unified-mode

    The NAC mode is switched to common mode.

    By default, the unified NAC configuration mode is used.


    After SVF is enabled in unified mode, the device cannot switch to common mode.

Verifying the Configuration

  • Run the display authentication mode command to check the current NAC configuration mode and the mode after restart.
Updated: 2019-10-21

Document ID: EDOC1000178117

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